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Legume-cereal intercropping as a weed management tool

Hauggaard-Nielsen, Henrik; Jørnsgaard, Bjarne and Jensen, Erik Steen (2003) Legume-cereal intercropping as a weed management tool. In: Proceedings and presentations from 4th EWRS workshop: Crop/Weed competitive interactions, European Weed Research Society. [Unpublished]

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Document available online at: http://www.ewrs.org/ewrs-cwi.htm


Weed density and biomass is often markedly reduced in intercrops (IC) compared to the respective sole crops (SC). Such IC-weed control advantages by either (i) Weed-suppression; a more effec-tive use of resources by IC or suppressing weed growth through allelopathy compared to SC or (ii) Weed-tolerance; use of resources that are not exploitable by weeds or convert resources to harvestable material more efficiently than SC. A higher degree of interspecific competition combined with a certain complementarity between intercropped species improves the crop stands competitive ability towards weeds. The weed-suppression approach from Liebman and Dyck (1993) are the most likely to explain the presented pea-barley IC findings.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:weed management, intercropping, grain legumes
Subjects: Crop husbandry > Production systems > Cereals, pulses and oilseeds
Research affiliation: Denmark > DARCOF II (2000-2005) > I. 5 (GENESIS) Production of grain legumes and cereals for animal feed
Deposited By: Hauggaard-Nielsen, Senior Scientist, phD, Cand. agro Henrik
ID Code:1349
Deposited On:08 Dec 2004
Last Modified:10 Jul 2014 08:37
Document Language:English
Refereed:Not peer-reviewed

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